JPS592637Y2 - トンネル内のふく射式火災感知器 - Google Patents

トンネル内のふく射式火災感知器

Info

Publication number
JPS592637Y2
JPS592637Y2 JP1976048732U JP4873276U JPS592637Y2 JP S592637 Y2 JPS592637 Y2 JP S592637Y2 JP 1976048732 U JP1976048732 U JP 1976048732U JP 4873276 U JP4873276 U JP 4873276U JP S592637 Y2 JPS592637 Y2 JP S592637Y2
Authority
JP
Japan
Prior art keywords
tunnel
fire detector
detection elements
flame
wavelength spectrum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1976048732U
Other languages
English (en)
Japanese (ja)
Other versions
JPS52140796U (enExample
Inventor
亨 田村
Original Assignee
能美防災工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 能美防災工業株式会社 filed Critical 能美防災工業株式会社
Priority to JP1976048732U priority Critical patent/JPS592637Y2/ja
Publication of JPS52140796U publication Critical patent/JPS52140796U/ja
Application granted granted Critical
Publication of JPS592637Y2 publication Critical patent/JPS592637Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1976048732U 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器 Expired JPS592637Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1976048732U JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976048732U JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Publications (2)

Publication Number Publication Date
JPS52140796U JPS52140796U (enExample) 1977-10-25
JPS592637Y2 true JPS592637Y2 (ja) 1984-01-24

Family

ID=28507933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976048732U Expired JPS592637Y2 (ja) 1976-04-20 1976-04-20 トンネル内のふく射式火災感知器

Country Status (1)

Country Link
JP (1) JPS592637Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533119B2 (enExample) * 1973-05-08 1980-08-28

Also Published As

Publication number Publication date
JPS52140796U (enExample) 1977-10-25

Similar Documents

Publication Publication Date Title
US4888532A (en) Object sensing apparatus
JP3086406B2 (ja) 受動型赤外線式人体検知装置
US3665440A (en) Fire detector utilizing ultraviolet and infrared sensors
GB2178532A (en) Passive-infra-red sensors
DE50005467D1 (de) Streulichtbrandmelder
ES2362546T3 (es) Procedimiento y configuración de radar para vigilar una zona de vigilancia.
US2198725A (en) Alarm system
GB2391936A (en) Intruder detection device and method
JP4404329B2 (ja) 炎検出装置
JPS592637Y2 (ja) トンネル内のふく射式火災感知器
CN101300612B (zh) 将着火与火警探测器中的操作相区别的方法及火警探测器
US5257013A (en) Protecting UV flame detecting apparatus
CN108001461A (zh) 地铁屏蔽门限界区智能防夹检测报警装置和方法
JP2003263688A (ja) 炎感知器
JPH08159871A (ja) 焦電型赤外線検出器
JP3891465B2 (ja) 炎検知器
JPS5821035Y2 (ja) ふく射式火災感知器
JPS5912576Y2 (ja) ふく射式火災感知器
JP4624546B2 (ja) 防災監視設備
JP3732075B2 (ja) 炎検出装置
JPH0435990Y2 (enExample)
CN2932335Y (zh) 双波长红外火焰探测器
KR20230001339U (ko) 적외선 감지기의 점검장치
JP2005221455A (ja) 受動型赤外線センサ
JP2000040189A (ja) 炎検知器